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Physics: Post your doubts here!
Use the first law of thermodynamics to explain why the specific latent heat of vaporisation is greater than the specific latent heat of fusion for aparticular substance. the answer in the ms is: when evaporating greater change in separation of atoms/molecules greater change in... -
Chemistry: Post your doubts here!
c whether u make a curved line or a straight line u have to make it a best fit... i haven't solved the question but here's an example of the concept: understood?? -
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Chemistry: Post your doubts here!
can u send me the link for that paper? -
Chemistry: Post your doubts here!
umm maybe they aren't out yet...? :P i dont know sorry :P -
y r u so happy at my subject choice??!! -_-
y r u so happy at my subject choice??!! -_-- daredevil
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Chemistry: Post your doubts here!
i got confused by this... see iii ^ -
Chemistry: Post your doubts here!
basically that u have to make a straight best fit line... leaving out the points that don't fal on the line -
Chemistry: Post your doubts here!
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s12_qp_42.pdf Q4 c.... draw the diagram for me plz! Q5 c iii .... explain plzz..... i dont get what they said in the ms... :/ Q 7 i .... how is it 3 x (CH3) ??? at 1.26 in the nmr? the data booklet... -
The Best Novels ...
Khaled Hosseni's 'And the Mountains Echoed' <3 and he does it again...!! *applause* -
Chemistry: Post your doubts here!
http://onlineexamhelp.com/past-papers/cambridge-international-a-as-level/9701-chemistry-a-as-level-year-wise/9701-chemistry-a-as-level-2013 -
Chemistry: Post your doubts here!
Ummm there was an error in that equationn.... RCOCl + R'NH2 --> RCONHR' + HCl -
Chemistry: Post your doubts here!
http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s12_qp_42.pdf http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s12_ms_42.pdf Q 3 c... y is another compound made?? is it like... -
Chemistry: Post your doubts here!
I'm sorry i didnt quite catch ur question... -
The Best Novels ...
I have read it and... ah well i didn't like it all that much but obv there's something in there that calls out to many a people out there so... as i said no accounting for taste :)) -
Chemistry: Post your doubts here!
RNH2 + R'COCl --> R'CONH2 + HCl There are two types of hyddrolysis of amides... i) Acidic Hydrolysis: RCONH2 + H2O --(H+ and heat)--> RCOOH + NH3 ii) Basic Hydrolysis: RCONH2 + NaOH --(heat)--> RCOONa + NH3 -
Chemistry: Post your doubts here!
R of course is a C chain on the molecule. acyl chloride + H2O --> carboxylic acid + HCl it is a spontaneous and vigorous reaction in which white fumes are observed immediately. -
Chemistry: Post your doubts here!
yeah i did... but who's to say what the next question will hold in store :') :P and hey wud u happen to be some sort of an expert in nmr? nmr and organic are kinda not my strong suits in chem and shout out PROBLEM the loudest for me... if u cud help.... :)) -